Portfolio · ezhilisai.com

Ezhilisai Arasu

Thirunavukkarasu · Dunwoody, GA · 13 Years Experience

Senior Frontend Engineer turned AI Engineer. I build production-grade systems — from Angular UIs to AWS Bedrock AI Agents — solo, fast, and at scale.

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⚡ Nicknamed "Flash" for delivery speed

Core Skills

What I Build With

From agentic AI systems to high-performance frontend — across the full stack.

🤖 AI Engineering

AWS Bedrock AI Agents Tool Use Tool Executor SSE Streaming Kiro IDE AWS Q Developer Prompt Engineering Agentic AI Spec-Driven Dev Vibe Coding

⚡ Frontend

Angular TypeScript JavaScript HTML5 CSS3 Responsive Design

🛠 Backend & Cloud

Node.js AWS Lambda ExpressJS PostgreSQL AWS RDS Python Java / J2EE

🔧 Tools

GitHub GitLab VS Code Kiro IDE devSpace

Work Experience

Career Timeline

13 years across enterprise frontend, AI engineering, and full-stack delivery.

Full Stack Developer (Senior)

Oct 2022 — Present

Mphasis Corporation · Client: Delta Air Lines, Atlanta, GA · On-site

Built an AI Assistant Agent on AWS Bedrock using Tool Use & Tool Executor patterns for dynamic API orchestration.
Implemented SSE to stream real-time AI responses token-by-token from Bedrock to Angular UI — ChatGPT-like UX.
Architected and delivered a complete frontend solo — no Figma — from zero to production in 2 months.
Adopted Kiro IDE for spec-driven agentic full stack development (Angular, Node.js, Lambda, AWS infrastructure).
Modernized a legacy system, reducing costs to under 1% of original — $100K+ in savings.

AWS BedrockAngular SSENode.js LambdaKiro IDE

Senior Software Engineer

Feb 2018 — Oct 2022

Mphasis Limited · Chennai, India

Led frontend development for enterprise applications using Angular, TypeScript, HTML5, and CSS3.
Mentored junior engineers and established frontend coding standards across the team.
Ensured production stability through proactive incident resolution and performance tuning.

AngularTypeScriptTeam Lead

Technology Consultant

Mar 2017 — Feb 2018

DXC Technology · Chennai, India

Developed enterprise frontend modules using Angular, TypeScript, HTML, and CSS.
Delivered production support and performance improvements for client-facing applications.

AngularTypeScript

Software Engineer

Jul 2015 — Feb 2017

3i Infotech · Chennai, India

Built web applications using AngularJS, HTML, CSS, JavaScript, Java, J2EE, JSF, and PrimeFaces.

AngularJSJavaJ2EE

Software Developer

Nov 2013 — Jun 2015

BTE Consulting Solutions · Chennai, India

Developed responsive websites and web applications using HTML, CSS, JavaScript, Java, J2EE, JSF, and PrimeFaces.

HTML/CSSJavaScriptJava

AI Engineering

AI Projects

Production AI systems built on AWS Bedrock — real users, real impact.

🤖

AI Assistant Agent — AWS Bedrock

Delta Air Lines · Mphasis Corporation

Conversational AI Agent using Tool Use (function calling) to dynamically route user intent to backend APIs. Built a Tool Executor layer that intercepts Bedrock tool-call responses, dispatches to microservices, and feeds results back into LLM context for coherent multi-turn conversations.

AWS Bedrock Tool Use Tool Executor SSE Angular Node.js Lambda

⚡

Real-time SSE Streaming UI

Delta Air Lines · Mphasis Corporation

Delivered real-time token-by-token AI response streaming from AWS Bedrock directly to Angular UI via Server-Sent Events — a seamless, no-reload ChatGPT-like experience in an enterprise production environment.

SSE AWS Bedrock Angular TypeScript Node.js

🧠

Agentic Development — Kiro IDE

Personal Practice & Production Work

1+ year of daily production use of Kiro IDE — spec-driven agentic development converting natural language specs into Angular, Node.js, and Lambda production code. Early adopter actively deepening expertise in foundation models, prompt design, and multi-step agentic orchestration.

Kiro IDE AWS Q Developer Spec-Driven Dev Angular Lambda